I think the word you're looking for is transitions
Ted Kennedy championed various causes; an increase in minimum wage, healthcare reform, and immigration reform.
D. determine audience and purpose
Question 1: I think is subheadings.
Question 2: the given text looks like a portion of a memoir.
Question 3: Pretty sure it's told from a pleased adult
Question 4:"I think there are not many men in our country who have had the privilege of naming themselves in the way that I have".